• Harvard Developers Checklist

• ARIA  – Accessible Rich Internet Applications Web Standards
• ARIA Introduction – Mozilla Developer Network
• ARIA Landmark Roles
• Examples – Design Patterns and Widgets
• Forms: Creating Accessible Forms, Form Validation and Error Recovery
• Skip-Navigation Links 
• Focus Management
  • Deque Focus Indicators
  • CSS-Tricks Focus Management
• Modal Dialog Boxes
• Hero Banners
• Media Players
• Web Accessibility for Developers Pressbook  – The Chang School, Ryerson University

• Simplifying Web Development with Accessibility Best Practices – LinkedIn Learning

• Yale Accessibility Articles
• WebAIM Resources
• University of Washington – Web Accessibility
• Harvard Digital Accessibility for Developers